Home 96 Cm Curium back to the periodic table

Atomic number   96
Symbol   Cm
Atomic weight   247.0703
Density [g/cm3]   13,51
Melting point [°C]   1340
Boiling point [°C]   ---
1st Ionization energy [eV]   ---
Electronic configuration   [Rn] 5f7 6d 7s2
Oxidation number (most stable)   4, 3
Atomic radius [pm]   ---
Ionic radius [pm]   98 (3+)
Abundance in crustal rocks [ppm]   0
Origin of the name   named after Marie and Pièrre Curie
Discovery   1944 by the Americans Seaborg, Ghiorso, James and Morgan
Uses   no technical significance.

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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